TOP > Searching According to What You Want to Do > Want to Improve the Barcode Quality Want to Improve the Barcode Quality Thinning or bleeding on the printed barcode may be due to incorrect print darkness settings, incorrect print speed settings, or a heating element in the print head being broken. To improve the barcode quality, try the following methods. • Adjust the print darkness Adjusting the Print Darkness • Adjust the print speed Adjusting the Print Speed • Check if there is a broken element in the print head Head Check Back to top